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Commitments and Contingencies (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017
Commitments and Contingencies Disclosure [Abstract] |  |  |
Level of risk retained by our captive insurance company (per claim) | $ 2.5 |  |
Loss Contingency, Receivable | 35.7 |  | $ 22.0
Loan subject to loss-sharing arrangements, aggregate unpaid principal amount | 8,200.0 |  | 8,000.0
Loan loss accrual | 16.3 |  | $ 16.0
Insurance Claims [Member] |  |  |
Loss Contingency Accrual [Roll Forward] |  |  |
Loss Contingency Accrual | 26.7 | $ 7.3 |
Loss Contingency Accrual, Provision | 2.2 | 0.3 |
Loss Contingency Accrual, Provision Adjustment | 13.9 | 0.3 |
Loss Contingency Accrual, Payments | (1.6) | (2.3) |
Loss Contingency Accrual | $ 41.2 | $ 5.6 |

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- Definition The per claim amount needed to reflect the estimated ultimate cost of settling claims relating to casualty insurance insured events that have occurred on or before a particular date (ordinarily, the balance sheet date) and the amount needed to provide for the estimated ultimate cost required to investigate and settle claims relating to insured events that have occurred on or before a particular date (ordinarily, the balance sheet date), whether or not reported to the insurer at that date. + References No definition available. + Details
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- Definition Loan loss accrual + References No definition available. + Details
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- Definition Loan subject to loss-sharing arrangements, aggregate unpaid principal amount + References No definition available. + Details
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- Definition Loss Contingency Accrual, Provision Adjustment + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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- Definition Amount of cash outflow reducing loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12053-110248 + Details
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- Details
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